Paraformaldehide 4%
To prepare 100ml of PFA 4% stock solution:
- Add 86ml ddwater in an enlermeyer
- Boil water in the microwave
- Weigh 4g of PFA
From now on in the fume hood
- Transfer PFA in the erlenmeyer
- Add a clean stirring bar
- Add a drop of NaOH 10M
- Stir it and keep it hot (heat at #1-2) till it goes [...]